Product Info

LTE Standard Module Series
EC21_Series_Mini_PCIe_Hardware_Design
19
/ 75
 HSUPA: Max. 5.76 Mbps (UL)
 WCDMA: Max. 384 kbps (DL)/Max. 384 kbps (UL)
GSM Features
GPRS:

Support GPRS multi-slot class 33 (33 by default)

Coding scheme: CS-1, CS-2, CS-3 and CS-4

Max. 107 kbps (DL)/Max. 85.6 kbps (UL)
EDGE:

Support EDGE multi-slot class 33 (33 by default)

Support GMSK and 8-PSK for different MCS (Modulation and Coding
Scheme)

Downlink coding schemes: MCS 1-9

Uplink coding schemes: MCS 1-9

Max. 296 kbps (DL)/Max. 236.8 kbps (UL)
Internet Protocol Features
 Support TCP/UDP/PPP/FTP/FTPS/HTTP/HTTPS/NTP/PING/QMI/
NITZ/SMTP/SSL/MQTT/CMUX/SMTPS/MMS*/FILE* protocols
 Support PAP and CHAP for PPP connections
SMS
 Text and PDU modes
 Point-to-point MO and MT
 SMS cell broadcast
 SMS storage: ME by default
(U)SIM Interface Support USIM/SIM card: 1.8 V, 3.0 V
UART Interface
Main UART:

Support RTS and CTS hardware flow control

Baud rate can reach up to 230400 bps, 115200 bps by default

Used for AT command communication and data transmission
Audio Features

Support one digital audio interface: PCM interface

GSM: HR/FR/EFR/AMR/AMR-WB

WCDMA: AMR/AMR-WB

LTE: AMR/AMR-WB

Support echo cancellation and noise suppression
PCM Interface
 Support 16-bit linear data format
 Support long frame synchronization and short frame synchronization
 Support master and slave modes, but must be the master in long
frame synchronization
USB Interface

Compliant with USB 2.0 specification (slave only); the data transfer
rate can reach up to 480 Mbps

Used for AT command communication, data transmission, firmware
upgrade, software debugging, GNSS NMEA output and voice over
USB.

Support USB serial drivers for: Windows 7/8/8.1/10, Linux 2.6–5.12,
Android 4.x–11.x, etc.
Antenna Connectors
Include main antenna, diversity antenna and GNSS antenna receptacle
connectors